/*
 * Copyright (C) 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.demo.notepad2;

import android.app.ListActivity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

public class Notepadv2 extends ListActivity {
	private static final int ACTIVITY_CREATE = 0;
	private static final int ACTIVITY_EDIT = 1;

	private static final int INSERT_ID = Menu.FIRST;
	private static final int DELETE_ID = Menu.FIRST + 1;

	private NotesDbAdapter mDbHelper;
	private Cursor mNotesCursor;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.notes_list);
		mDbHelper = new NotesDbAdapter(this);
		mDbHelper.open();
		fillData();
		// Each list item in this ListView will activate the context menu
		registerForContextMenu(getListView());
	}

	private void fillData() {
		// Get all of the rows from the database and create the item list
		mNotesCursor = mDbHelper.fetchAllNotes();
		startManagingCursor(mNotesCursor);

		// Create an array to specify the fields we want to display in the list
		// (only TITLE)
		String[] from = new String[] { NotesDbAdapter.KEY_TITLE };

		// and an array of the fields we want to bind those fields to (in this
		// case just text1)
		int[] to = new int[] { R.id.text1 };

		// Now create a simple cursor adapter and set it to display
		SimpleCursorAdapter notes = new SimpleCursorAdapter(this,
				R.layout.notes_row, mNotesCursor, from, to);
		setListAdapter(notes);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		super.onCreateOptionsMenu(menu);
		menu.add(0, INSERT_ID, 0, R.string.menu_insert);
		return true;
	}

	@Override
	public boolean onMenuItemSelected(int featureId, MenuItem item) {
		switch (item.getItemId()) {
		case INSERT_ID:
			createNote();
			return true;
		}

		return super.onMenuItemSelected(featureId, item);
	}

	@Override
	public void onCreateContextMenu(ContextMenu menu, View v,
			ContextMenuInfo menuInfo) {
		super.onCreateContextMenu(menu, v, menuInfo);

		// TODO: fill in rest of method
		menu.add(0, DELETE_ID, 0, R.string.menu_delete);
	}

	@Override
	public boolean onContextItemSelected(MenuItem item) {
		// return super.onContextItemSelected(item);

		// TODO: fill in rest of method

		switch (item.getItemId()) {
		case DELETE_ID:
			AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
					.getMenuInfo();
			mDbHelper.deleteNote(info.id);
			fillData();
			return true;
		}
		return super.onContextItemSelected(item);
	}

	private void createNote() {
		// TODO: fill in implementation
		Intent i = new Intent(this, com.android.demo.notepad2.NoteEdit.class);
		startActivityForResult(i, ACTIVITY_CREATE);
	}

	@Override
	protected void onListItemClick(ListView l, View v, int position, long id) {
		// super.onListItemClick(l, v, position, id);

		// TODO: fill in rest of method
		super.onListItemClick(l, v, position, id);
		Cursor c = mNotesCursor;
		c.moveToPosition(position);
		Intent i = new Intent(this, com.android.demo.notepad2.NoteEdit.class);
		i.putExtra(NotesDbAdapter.KEY_ROWID, id);
		i.putExtra(NotesDbAdapter.KEY_TITLE,
				c.getString(c.getColumnIndexOrThrow(NotesDbAdapter.KEY_TITLE)));
		i.putExtra(NotesDbAdapter.KEY_BODY,
				c.getString(c.getColumnIndexOrThrow(NotesDbAdapter.KEY_BODY)));
		startActivityForResult(i, ACTIVITY_EDIT);

	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode,
			Intent intent) {
//		super.onActivityResult(requestCode, resultCode, intent);

		// TODO: fill in rest of method
		super.onActivityResult(requestCode, resultCode, intent);
		Bundle extras = intent.getExtras();

		switch (requestCode) {
		case ACTIVITY_CREATE:
			String title = extras.getString(NotesDbAdapter.KEY_TITLE);
			String body = extras.getString(NotesDbAdapter.KEY_BODY);
			mDbHelper.createNote(title, body);
			fillData();
			break;
		case ACTIVITY_EDIT:
			Long mRowId = extras.getLong(NotesDbAdapter.KEY_ROWID);
			if (mRowId != null) {
				String editTitle = extras.getString(NotesDbAdapter.KEY_TITLE);
				String editBody = extras.getString(NotesDbAdapter.KEY_BODY);
				mDbHelper.updateNote(mRowId, editTitle, editBody);
			}
			fillData();
			break;
		}

	}

}
